What does "btw" mean in texting?
According to Cyber Definitions and Urban Dictionary, the acronym BTW stands for by the way. This slang term is used in SMS text messages via mobile phones, on instant messaging chat services, and on social media sites like Facebook, Twitter, and Instagram as a preamble or postamble to change the subject in a conversation.
What does Lizzie use BTW for?
Lizzie: Uh, yeah, definitely! In this example, Lizzie uses BTW to change the subject from the math test to the fact that Jake is staring at Morgan. In this next example, Lizzie and Morgan are working on their history project together. Morgan: The Oregon Trail sounds like a real slog if you think about it.